Since Atmos
Clocks run by Perpetual Motion,
they do not require any manual winding and when
running properly, they can run keep accurate time
for many years before any type of service is required.

There
are a few things that you should know however in
order to guarantee that your Atmos clock will stay
running properly:

Leveling:

Atmos
Clocks are designed to operate best when placed
on a level surface; in fact most Atmos Clocks
will not operate at all unless they have first
been properly leveled.

Most
Atmos Clocks have one of the following built-in
Leveling Systems:

1.
A built-in ‘bubble’ level seated
in the front base of the clock.

2.
The Pendulum has a 'centering point' on the
underside (directly underneath) and depending
on the model, there is either a small
black 'mark' (or an impression) centered on
the inside bottom base of the clock or
a small raised "cup".

Leveling an Atmos that has the
built-in bubble level:

Place
the clock in the desired location and turn
the inside front screws until the bubble in
the level is completely centered. Turning
these screws raises or lowers the base so
if the screws appear 'tight' when turning,
lift up on the front of the clock slightly
with one hand while turning the leveling screws.

Once
the 'bubble' in the Level is centered, start
the Pendulum by moving the Pendulum Locking
Lever all the way to the right, this will
start the Balance Wheel rotation; set the
clock to the correct time by using the minute
hand only, do not touch the hour
hand.

Leveling an Atmos using the "centering
points' (clocks with no bubble level):

Place
the clock in desired location; locate the
'centering point' directly underneath (on
the underside of the Pendulum) and also locate
either the 'black mark' (or) a small
'cup' in the center of the inside base.

The
purpose is to center the point underneath
the Pendulum directly with the mark or 'cup'
on the base while turning the Leveling Screws.
Once the clock is leveled, set the clock to
the correct time by using the minute hand
only.

If
you are unable to level your clock using either
of the above methods, take a small
hardware store level and place it
on the top front of the clock and level the
clock using the leveling screws as outlined
above.

IMPORTANT:

The
area where you place your
Atmos (table, mantle, display case, etc) must
also be as level as possible.
Do not place an Atmos Clock on a tilted table
or an uneven surface, unless you're prepared
to "shim" up the back of the clock
with folder paper or coins, as you may not
be able to level the clock otherwise.

As
level the surface, the easier it will be to
level your clock; use a separate Level placed
on top of the clock as mentioned above if
necessary.

Remember
that Atmos Clocks run best when they are placed
in 'low traffic' areas where the clock can
run undisturbed and not be jarred.

The
Importance of Locking the Pendulum

Caution:
Moving an Atmos without first locking the
Pendulum can cause damage to the Movement.
The Pendulum must be in the LOCKED POSITION
before moving the clock for any reason.

The
Locking Lever for the Pendulum on most Atmos
Clocks is located either directly under the
Dial, or directly underneath the Base on the
front the clock.

Moving
the lever to the LEFT - UNLOCKS the Pendulum,
to the RIGHT - LOCKS the Pendulum.

If
you find it necessary to move your Atmos,
WAIT until the Pendulum stops moving and then
immediately slide the Lever to the RIGHT.
Do NOT stop the Pendulum while the clock is
in mid-rotation.

Restarting
an Atmos Clock

If
your Atmos Clock has stopped abruptly or was
accidentally jarred, DO NOT 'spin' the Pendulum
around by hand in an effort to restart the
clock, as this can cause damage to the Suspension
Spring.

To
restart an Atmos that has abruptly stopped
- have the Pendulum in the UNLOCKED Position
and slowly move the MINUTE HAND (only) around
one complete turn clockwise; do not touch
the hour hand. This should restart the Pendulum
rotation again. Afterwards, Set the clock
to the correct time using the minute hand
only.

Time Changes for Areas
Observing Daylight Savings

To set your clock
back, stop the clock by using the Pendulum
locking lever. After one hour or so has passed,
start the clock again and adjust the time
if needed with the minute hand only (never
touch the hour hand).

To set the clock
ahead, stop the clock with the Pendulum locking
lever (wait until the Pendulum stops moving)
and then move the minute hand ahead to the
proper time. Immediately restart the clock
afterwards and reset the time if necessary
with the Minute Hand.

NEVER move
the hands backwards (counter-clockwise) on
an Atmos Clock.

Atmos Speed Adjustments
- Only When Necessary!

Atmos Clocks are
very sensitive in nature and can react significantly
to even the slightest adjustments.

If your Atmos is
running fast or slow, you can make speed adjustments
by using the Speed Adjustment Lever.
This 'Lever' is located on the top of the
clock frame.

Imprinted in between
the lever are "F/A" (Fast / Advance)
and "S/R" (Slow / Retard) marks.
Between the 'FA and "SR" are 'graduation
marks' which represent very sensitive
speed adjustments.

Ideally, if an Atmos
clock is running properly and keeping correct
time, the Speed Adjustment Lever should be
exactly centered between 'FA and 'SR'. Obviously,
moving the Speed Adjustment Lever to the RIGHT
will increase the clock speed, to the LEFT
will decrease the speed.

Important:

If you find it necessary
to increase or decrease the speed of the clock,
it's best to move the Speed Adjustment Lever
by only a fraction of a graduation
mark each time; allowing several days or even
a week for the clock to adjust.

Moving the Lever
too many times in too short of a period can
cause extreme differences in the way the clock
runs.

Remember that each
'graduation mark' represents 10 Seconds
per day (fast or slow) and providing
the clock is running properly one complete
oscillation of the Pendulum represents
60 seconds, exactly.

NOTE: Some older, antique Atmos clocks have
a long "knob' in the front or the back
of the clock, which is used for speed adjustments
instead of a lever. Turning this knob to the
RIGHT increases the speed of the clock, to
the LEFT decreases the speed.